1. Advanced Display Research Center (ADRC) and Department of Information Display Kyung Hee University Seoul 02447 Korea
2. Korea Photonics Technology Institute (KOPTI) Gwangju Korea
3. LEDLITEK Co.,Ltd 81, Geumhoseonmal-gil, Bugang-myeon Sejong 30077 Korea
4. Lumens Co., Ltd Gyeonggi-do Korea
5. Dept. of Printed Electronics Engineering Sunchon National University Jeollanam-do Korea
6. Key Laboratory of Microelectronic Devices & Integrated Technology Chinese Academy of Sciences Beijing China